media/media-continues-playing-after-replace-source.html crashes flakily in debug Linux.
media/media-continues-playing-after-replace-source.html crashes flakily in debug Linux.

Widening the expectations for this test to include flaky crashes in Linux debug, which
aren't as common as on Mac/Win, but certainly happen[1].

[1]: http://test-results.appspot.com/dashboards/flakiness_dashboard.html#group=%40ToT%20-%20chromium.org&showExpectations=true&tests=media%2Fmedia-continues-playing-after-replace-source.html

BUG=238082
TBR=ojan@chromium.org

Review URL: https://codereview.chromium.org/15470014

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@150784 bbb929c8-8fbe-4397-9dbb-9b2b20218538

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk